fs/gfs2/super.c

167 void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
171 	sc->sc_total = be64_to_cpu(str->sc_total);
172 	sc->sc_free = be64_to_cpu(str->sc_free);
173 	sc->sc_dinodes = be64_to_cpu(str->sc_dinodes);
176 void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf)
180 	str->sc_total = cpu_to_be64(sc->sc_total);
181 	str->sc_free = cpu_to_be64(sc->sc_free);
182 	str->sc_dinodes = cpu_to_be64(sc->sc_dinodes);
845  * @sc: the sc structure
851 			    struct gfs2_statfs_change_host *sc)
854 	sc->sc_total += rgd->rd_data;
855 	sc->sc_free += rgd->rd_free;
856 	sc->sc_dinodes += rgd->rd_dinodes;
863  * @sc: the sc info that will be returned
873 static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
882 	memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
907 						error = statfs_slow_fill(rgd, sc);
941  * @sc: the sc structure
946 static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
953 	*sc = *m_sc;
954 	sc->sc_total += l_sc->sc_total;
955 	sc->sc_free += l_sc->sc_free;
956 	sc->sc_dinodes += l_sc->sc_dinodes;
960 	if (sc->sc_free < 0)
961 		sc->sc_free = 0;
962 	if (sc->sc_free > sc->sc_total)
963 		sc->sc_free = sc->sc_total;
964 	if (sc->sc_dinodes < 0)
965 		sc->sc_dinodes = 0;
982 	struct gfs2_statfs_change_host sc;
990 		error = gfs2_statfs_slow(sdp, &sc);
992 		error = gfs2_statfs_i(sdp, &sc);
999 	buf->f_blocks = sc.sc_total;
1000 	buf->f_bfree = sc.sc_free;
1001 	buf->f_bavail = sc.sc_free;
1002 	buf->f_files = sc.sc_dinodes + sc.sc_free;
1003 	buf->f_ffree = sc.sc_free;